Natural logarithm — Base e redirects here. For the numbering system which uses e as its base, see Non integer representation#Base e. Graph of the natural logarithm function. The function slowly grows to positive infinity as x increases and rapidly goes to negative… … Wikipedia

natural logarithm — noun The logarithm in base e; either the function that given returns such that or the value of . The natural logarithm can be used to integrate 1/x. Syn: hyperbolic logarithm, ln, natural log See Also: common logarithm, logarithm … Wiktionary